The orthocenter of the triangle formed by any three tangents to the parabola y2 = 4ax lies on the

1.  Axis

2.  Direcrix

3.  Parabola

4.  latus rectum

View Answer  
4
Correct Answer :

Direcrix


Explanation :
No Explanation available for this question

The circumcircle of the triangle formed by any three tangents to a parabola passes through

1.  Vertex

2.  Focus

3.  Foot of the directrix

4.  None

View Answer  
4
Correct Answer :

Focus


Explanation :
No Explanation available for this question

The feet of the perpendiculars drawn from the focus of a parabola to the sides of the triangle formed by its tangents lie on

1.  X – axis

2.  Y – axis

3.  Directrix

4.  Tangent at the vertex

View Answer  
4
Correct Answer :

Tangent at the vertex


Explanation :
No Explanation available for this question

If the tangents at the point P and Q on the parabola y2= 4ax meet at T and S is the focus then SP-SQ =

1.  ST

2.  2ST

3.  ST2

4.  2ST2

View Answer  
4
Correct Answer :

ST2


Explanation :
No Explanation available for this question

If the distance of two points P and Q on the parabola y2 = 4ax are 4 and 9 respectively,then 9  respectively,then the distance of the point of intersection of the tangents at P and Q fro the focus is

1.  8

2.  6

3.  5

4.  13

View Answer  
4
Correct Answer :

6


Explanation :
No Explanation available for this question

If the tangents at the points P and Q on the parabola y2 = 4ax meet at T and S is the focus the

1.  TSP = TSQ

2.  TSP

3.  TSP > TSQ

4.  None

View Answer  
4
Correct Answer :

TSP = TSQ


Explanation :
No Explanation available for this question

PSQ is a focal chord of a parabola whose focus is S and vertex A PA and Qa are produced to meet to the directrix in R and T respectively. Then

1.  900

2.  600

3.  450

4.  300

View Answer  
4
Correct Answer :

900


Explanation :
No Explanation available for this question

If L,M,N are three points on the parabola y2= 4ax whose oridinate are in G. P the tangents at L and N meet on the

1.  Parabola

2.  Abscissa of M

3.  Oridinate of M

4.  None

View Answer  
4
Correct Answer :

Abscissa of M


Explanation :
No Explanation available for this question

The slope of the normal at (at2,2at) of the parabola y2 = 4ax is

1.  l/t

2.  t

3.  -t

4.  -l/t

View Answer  
4
Correct Answer :

-t


Explanation :
No Explanation available for this question

If the normal at the point on a parabola y2 = 4ax meet it again at t1, then t1=

1.  T

2.  -t-l/t

3.  -t-2/t

4.  None

View Answer  
4
Correct Answer :

-t-2/t


Explanation :
No Explanation available for this question
Previous Next

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python